Having trouble with my filesystem

Hello all, I've had great success using these forums for fixing problems I've had in the past, so I'm giving it another go.
I have a logical volume filesystem.
I need to enlarge one of my partitions/LVs to make room.. it's 30g capacity is now full. When I first installed the my OS, I had it partitioned so that my /etc, /usr, and /root directory trees were on a smaller partition, and my /home was on the biggest partition.

I foolishly tried copying my /etc and /usr directory trees over to my /home directory.. but I don't need help with the cleanup of that disaster.. that's already taken care of.

I need help enlarging my volume/partition that only has 30G on it.

Here is some info on my filesystem:

at the terminal:

Code:

root@KandA:/etc# vgdisplay
  --- Volume group ---
  VG Name               KandA-vg
  System ID             
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  4
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                3
  Open LV               3
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               465.52 GiB
  PE Size               4.00 MiB
  Total PE              119173
  Alloc PE / Size       119173 / 465.52 GiB
  Free  PE / Size       0 / 0   
  VG UUID               epV82A-6It2-kfKs-uJ1q-HEsn-3j4L-b8VB2N

and

Code:

root@KandA:/etc# lvdisplay
  --- Logical volume ---
  LV Path                /dev/KandA-vg/root
  LV Name                root
  VG Name                KandA-vg
  LV UUID                87EScU-sFY9-3utM-mOeR-RnzL-9X5Y-9vVabt
  LV Write Access        read/write
  LV Creation host, time KandA, 2016-07-12 19:50:34 -0600
  LV Status              available
  # open                 1
  LV Size                27.94 GiB
  Current LE             7152
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           254:0
   
  --- Logical volume ---
  LV Path                /dev/KandA-vg/swap_1
  LV Name                swap_1
  VG Name                KandA-vg
  LV UUID                vO6Hk8-cAoG-1o6w-2V2k-wD8d-3bmo-UJI5mM
  LV Write Access        read/write
  LV Creation host, time KandA, 2016-07-12 19:50:34 -0600
  LV Status              available
  # open                 2
  LV Size                11.64 GiB
  Current LE             2979
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           254:1
   
  --- Logical volume ---
  LV Path                /dev/KandA-vg/home
  LV Name                home
  VG Name                KandA-vg
  LV UUID                F9aKJO-KNds-R2Nd-9weh-Lkgw-9HNV-fNU9jm
  LV Write Access        read/write
  LV Creation host, time KandA, 2016-07-12 19:50:34 -0600
  LV Status              available
  # open                 1
  LV Size                425.95 GiB
  Current LE             109042
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           254:2

Still at the terminal:

Code:

root@KandA:/etc# blkid
/dev/sda1: UUID="371b8f2f-ccef-40d8-80ca-df20139f123b" TYPE="ext2" PARTUUID="b1ae3941-01"
/dev/sda5: UUID="GfTMEG-NPCe-Vkw3-cbqp-nXOs-Bcrm-zcnqzF" TYPE="LVM2_member" PARTUUID="b1ae3941-05"
/dev/mapper/KandA--vg-root: UUID="2c26bd85-0f96-4800-a09d-a81cda07d35c" TYPE="ext4"
/dev/mapper/KandA--vg-swap_1: UUID="ccc5dfea-29eb-468a-ae4b-9e4b6c6f9e85" TYPE="swap"
/dev/mapper/KandA--vg-home: UUID="f7928f21-5453-4cbf-a215-2cd4c3783e76" TYPE="ext4"

My /etc/fstab file contains this:

Code:

# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
/dev/mapper/KandA--vg-root /               ext4    errors=remount-ro 0       1
# /boot was on /dev/sda1 during installation
UUID=371b8f2f-ccef-40d8-80ca-df20139f123b /boot           ext2    defaults        0       2
/dev/mapper/KandA--vg-home /home           ext4    defaults        0       2
/dev/mapper/KandA--vg-swap_1 none            swap    sw              0       0
/dev/sr0        /media/cdrom0   udf,iso9660 user,noauto     0       0

Thanks in advance.

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Having trouble with my filesystem